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Finding the Fourth Proportional to 380,600.05, 525,223.63 and 206,166.97

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Solution

The fourth proportional to 380,600.05, 525,223.63 and 206,166.97 is: 284,508.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,600.05 : 525,223.63 = 206,166.97 : x
  2. Step 2: Convert to fraction form
    380,600.05/525,223.63 = 206,166.97/x
  3. Step 3: Cross multiply
    380,600.05x = 525,223.63 × 206,166.97
  4. Step 4: Simplify right side
    380,600.05x = 108,283,764,369.50
  5. Step 5: Solve for x
    x = 108,283,764,369.50/380,600.05
  6. Step 6: Final answer
    x = 284,508.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.